Phoenix Contact Safety Relay PSR SCP 24DC ESD 5X1 1X2 300 | Item No. 29 81 428 – Safety Relay

Phoenix Contact PSM-ME-RS232/RS485-P

is a versatile interface converter designed to convert RS-232 signals to RS-485 and RS-422. It is particularly suitable for industrial applications where reliable and stable data communication is required.

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Technical data:

• Power supply: 18 V AC/DC to 30 V AC/DC, nominal voltage 24 V AC/DC.

• Interfaces: RS-232, RS-485, RS-422.

• Transfer speed: 1.2 kbps to 115.2 kbps.

• Maximum cable length: 15 m for RS-232 and up to 1200 m for RS-485/RS-422 (shielded twisted pair).

• Mounting: top hat rail (DIN rail).

• Protection class: IP20, operating temperature range -40 °C to +70 °C.

• Housing material: Flame retardant polyamide (PA 6.6-FR) in green (RAL 6021).

Special features:

• Isolation: 3-way isolation between supply voltage, RS-232, and RS-485/RS-422 interfaces.

• Automatic control: Automatic data direction change or controllable via RTS/CTS.

• Order number: 2744416

• Goods or customs tariff number: 85176200

This interface converter is ideal for applications where robust and efficient data transfer between different interfaces is required. Thanks to its high noise immunity and robust design, it is a preferred choice for many industrial applications  .